| Summary: | mesa 7.5 regression in blender | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Christoph Brill <egore> |
| Component: | Drivers/DRI/r300 | Assignee: | Default DRI bug account <dri-devel> |
| Status: | RESOLVED DUPLICATE | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
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Description
Christoph Brill
2009-07-11 01:26:59 UTC
Can you try isolating the change which caused it, e.g. with git bisect? Yeah, I'm doing that right now :-) git bisecting mesa really sucks. You need to patch several revision to get it to compile. And even with ccache enabled you need to wait for hours. Testing is almost impossible as the rendering is heavily broken. And finally: it presents you a revision that is completely useless as it is not related with the problem. I don't see any chance that I can possibly find the error. All I could find out that the error already appears in 7.5_rc1 by manually unpacking and building it. Huh, your complaints about bisecting fit the complaints that I usually have about the Linux kernel. Compared to that, Mesa should be relatively painless to bisect. One important thing about compilation time: configure mesa such that Gallium is not built, and of the DRI drivers only the necessary one(a) are built (in your case, that would be --with-dri-drivers=r300). Finally, I can confirm that this problem exists in git master. I always built mesa with the following
# PATH="/usr/lib/ccache/bin:/opt/bin:${PATH}"
# ./autogen.sh --prefix=/usr --libdir=/usr/lib64 --with-dri-drivers=radeon,r300 --disable-gallium
# make clean
# rm lib64/*
# make -j3
This worked pretty well, except that the tags mesa_7_4_4 comes from another branch than mesa_7_5_rc1, which gave a difference of ~4500 revisions .... that was lying way back in the past where we did not even had autotools yet. And this is a bit problematic...
Maybe I can restart my bisecting by testing against mesa master instead of the 7.5er branch. And maybe this improves the bisecting situation.
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